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game/server/AI_Interest_Target.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Hooks and classes for the support of humanoid NPCs with 
+//			groovy facial animation capabilities, aka, "Actors"
+//
+//=============================================================================//
+
+#ifndef AI_INTEREST_TARGET_H
+#define AI_INTEREST_TARGET_H
+
+#if defined( _WIN32 )
+#pragma once
+#endif
+
+
+//-----------------------------------------------------------------------------
+// CAI_BaseActor
+//
+// Purpose: The base class for all facially expressive NPCS.
+//
+//-----------------------------------------------------------------------------
+
+class CAI_InterestTarget_t
+{
+public:
+	enum CAI_InterestTarget_e
+	{
+		LOOKAT_ENTITY = 0,
+		LOOKAT_POSITION, 
+		LOOKAT_BOTH
+	};
+
+public:
+	bool			IsThis( CBaseEntity *pThis );
+	const Vector	&GetPosition( void );
+	bool			IsActive( void );
+	float			Interest( void );
+
+public:
+	CAI_InterestTarget_e	m_eType; // ????
+
+	EHANDLE		m_hTarget;
+	Vector		m_vecPosition;
+	float		m_flStartTime;
+	float		m_flEndTime;
+	float		m_flRamp;
+	float		m_flInterest;
+
+	DECLARE_SIMPLE_DATADESC();
+};
+
+
+class CAI_InterestTarget : public CUtlVector<CAI_InterestTarget_t>
+{
+public:
+	void Add( CBaseEntity *pTarget, float flImportance, float flDuration, float flRamp );
+	void Add( const Vector &vecPosition, float flImportance, float flDuration, float flRamp );
+	void Add( CBaseEntity *pTarget, const Vector &vecPosition, float flImportance, float flDuration, float flRamp );
+	int Find( CBaseEntity *pTarget )
+	{
+		int i;
+		for ( i = 0; i < Count(); i++)
+		{
+			if (pTarget == (*this)[i].m_hTarget)
+				return i;
+		}
+		return InvalidIndex();
+	}
+	
+	void Cleanup( void )
+	{
+		int i;
+		for (i = Count() - 1; i >= 0; i--)
+		{
+			if (!Element(i).IsActive())
+			{
+				Remove( i );
+			}
+		}
+	};
+
+private:
+	void Add( CAI_InterestTarget_t::CAI_InterestTarget_e type, CBaseEntity *pTarget, const Vector &vecPosition, float flImportance, float flDuration, float flRamp );
+};
+
+
+//-----------------------------------------------------------------------------
+#endif // AI_INTEREST_TARGET_H